Does necrotizing fasciitis usually cause many symptoms?

Yes: People are very sick from this serious condition and it is consider an emergency. Pain and fever are certainly expected. The person with necrotizing fasciitis should be seen immediately by a health care professional.

Not enough...: Necrotizing fasciitis is an infection of the soft tissue that can spread rapidly with minimal symptoms and cause death. Any concern about the possibility of that diagnosis should make one seek medical care immediately.